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EP1933685B1 - Arrangement of a filter bag in an electric vacuum cleaner, and electric vacuum cleaner comprising a nozzle - Google Patents

Arrangement of a filter bag in an electric vacuum cleaner, and electric vacuum cleaner comprising a nozzle Download PDF

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Publication number
EP1933685B1
EP1933685B1 EP06806792A EP06806792A EP1933685B1 EP 1933685 B1 EP1933685 B1 EP 1933685B1 EP 06806792 A EP06806792 A EP 06806792A EP 06806792 A EP06806792 A EP 06806792A EP 1933685 B1 EP1933685 B1 EP 1933685B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
filter bag
flap
opening
vacuum cleaner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06806792A
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German (de)
French (fr)
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EP1933685A1 (en
Inventor
Dominik Diesch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Priority to EP11173065.1A priority Critical patent/EP2380477B1/en
Publication of EP1933685A1 publication Critical patent/EP1933685A1/en
Application granted granted Critical
Publication of EP1933685B1 publication Critical patent/EP1933685B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
    • A47L9/1436—Connecting plates, e.g. collars, end closures
    • A47L9/1445—Connecting plates, e.g. collars, end closures with closure means
    • A47L9/1454—Self-sealing closures, e.g. valves

Definitions

  • the invention relates to an arrangement of a filter bag in an electric vacuum cleaner according to the features of the preamble of claim 1.
  • this flap is made of the same material as the holding plate and is hinged in the region of the opening, such that the protruding into the filter bag nozzle of the vacuum cleaner pivots the flap in the direction of the filter bag interior.
  • the desired automatic closure can be achieved by a back against the flap, in the course of the opening folding movement exciting spring.
  • the DE 9016939 U1 discloses a filter bag with a retaining flap having a rectilinear hinge axis and into which a neck of the vacuum cleaner protruding with a round contour. There are adverse effects with regard to the opening movement of the opening flap, but also with regard to a desired tightness.
  • the invention has the object to further improve an arrangement of the type mentioned, in particular with regard to the interaction of the nozzle and the filter bag flap.
  • the nozzle is adapted in its cooperating with the opening flap made of the holding plate material cooperating region in its outline contour to the extension of the pivot axis of the opening flap.
  • an improved interaction of the vacuum cleaner-side nozzle and filter bag-side opening flap is achieved, in particular with regard to the opening movement when the nozzle enters the filter bag. Due to the fact that the region of the opening flap facing the opening contour is adapted to the extension of the pivot axis of the flap, the force acting on the flap via the connecting piece acts via a region extending in accordance with the pivot axis.
  • the ground plan section of the facing connection area is likewise rectilinear, so further preferably aligned parallel to the pivot axis.
  • a further improvement of the interaction of the vacuum cleaner side nozzle and filter bag side opening flap is achieved in that the opening flap rests flat against the associated nozzle surface. Accordingly, the line-like action of the flap-facing nozzle edge in the course of insertion of the nozzle into the filter bag and concomitant pivoting of the opening flap in the open position in a steadily increasing to the acquisition of the open position surface engagement.
  • a hygienic advantage is achieved in that the nozzle surface is adapted in its free extension to the free extent of the flap.
  • the flap surface facing the flap surface preferably covers the opening flap in the operating position over the entire surface, which is further achieved in that the flap extends parallel to the associated nozzle surface.
  • the visible during handling with the filter bag to the outside surface of the opening flap is protected during operation against contamination by the dust in the filter bag.
  • the installation of the opening flap to the associated nozzle surface is effectively supported by a spring element which causes the automatic return movement of the opening flap into the closing position.
  • the spring element can in this case be formed, for example, in the form of a leaf spring or the like, which is connected to the opening at one end of the underside of the holding plate having the opening in the adjacent area and at the other end acts on the rear opening flap.
  • the Saüg has for this purpose a three-sided contour in the form of a curved line, wherein over the extent of the contour different radii are provided, which contour connects the two ends of the rectilinear contour and the rectilinear contour forms a fourth page.
  • the fourth, the rectilinear contour side is preferably associated with an opening flap pivot axis of the filter bag, which opening flap closes the filter bag opening to be passed through the vacuum cleaner neck before or after entry of the nozzle. Due to the design of the rectilinear contour, an improved interaction with the opening flap is achieved, in particular an improved introduction of force for swiveling the opening flap into the open position.
  • This selected floor plan configuration achieves an improved interaction with the opening flap of the filter bag with a good sealing effect between the connection piece and filter bag or filter bag holding plate in the area of the curved contour.
  • Particularly advantageous here is an embodiment in which the Stutzenwandung with the rectilinear contour forms the most freely projecting part of the nozzle. Accordingly, viewed in the direction of its body axis, the neck extends beyond the region of the curved contour in the region of the rectilinear contour, so that when the neck is inserted into the filter bag the portion of the neck having the rectilinear contour dips prematurely, in this case one preferred provided opening flap swings open and thus paves the way for the complete entry of the nozzle into the filter bag.
  • an electric vacuum cleaner 1 in the form of a hand-held handle unit, with a base unit 2, which has a suction / blower unit, not shown.
  • a guide stem 3 is anchored, which merges in the region of its free end in a handle 4.
  • a header 5 is connected in terms of flow.
  • This attachment 5 can be a suction nozzle in the simplest way. Shown is a header 5 in the manner of an electric carpet brush.
  • a filter cartridge 6 is further supported on the base unit 2, a filter cartridge 6 is further supported. This can be pivoted away about the axis x of the basic unit 2, to expose the content in the filter cartridge 6 filter bag 7th
  • the filter bag 7 is in FIG. 2 shown in a single presentation.
  • the latter has a rigid holding plate 8, to which an air-permeable bag 9 consisting of a paper or fleece material is fastened.
  • the holding plate 8 is provided with an opening 10 through which the air to be filtered is fed into the filter bag 7.
  • the holding plate opening 10 can be closed by means of an opening flap 11. This is made by a free cut from the holding plate material and hinged in the region of a rectilinear edge on the holding plate 8. This rectilinear edge runs in this case parallel to the narrow edge edges of the overall rectangular in plan view rectangular shaped holding plate 8 and forms a pivot axis y for the opening flap 11.
  • the opening flap 11 is provided in the ground plan starting from the rectilinear edge with a curved contour, starting from the rectilinear edge initially extending perpendicular thereto edge edges extend whose opposite ends of the rectilinear edges are connected by a semicircle contour.
  • the opening 10 to be closed by the flap 11 is in its outline contour adapted to the flap 11, but with respect to this grundrissverierert.
  • the gap thus remaining between the edge of the opening edge and the flap outer edge is closed by a sealing lip 12.
  • the opening flap 11 is hinged to the holding plate 8 so that the opening flap 11 can pivot inwardly towards the inside of the bag.
  • a spring element 13 is fastened to the holding plate 8.
  • This is formed in the illustrated embodiment in the form of a leaf spring, which occurs with its side facing away from the fastening side free end region against the underside of the opening flap 11. Accordingly, the spring element 13 serves to support the opening flap 11 in the closed position. This closure position is limited stop by stepping the opening flap 11 on the underside against the edge region of the sealing lip 12.
  • a nozzle 14 is provided for cooperation with the filter bag 7. This is in extension of a suction line, not shown, which foot ends in the attachment 5, formed and serves to transport the dirt-laden suction air into the filter bag. 7
  • This nozzle 14 is designed so that it protrudes in the closed position of the filter bag 7 held filter cartridge 6 through the holding plate opening 10 in the bag 9 and in this case holds the opening flap 11 in the open position.
  • plan view of the nozzle 14 shows a rectilinear, parallel to the pivot axis x of the filter cartridge 6 extending side 15 whose edge length in plan corresponds approximately to the straight edge length of the holding plate opening 10 in the region of the flap pivot axis y and is therefore chosen larger than the corresponding edge length of the opening flap eleventh in the swivel axis area.
  • the two ends of the rectilinear in the ground plan edge of the nozzle 14 are connected via a curved peripheral edge 16.
  • the nozzle inner cross-section is adapted to the outer contour of the same.
  • the in the operating position in the filter bag 7 einragende and the opening flap 11 in the open position supporting surface 17 of the nozzle 14 is adapted in its free extension to the free extent of the opening flap 11.
  • This contact position is supported by the rearward loading of the opening flap 11 by the spring element 13 yet. Accordingly, the outside of the filter bag 7 facing surface of the opening flap 11 is protected in the operating position from contamination by the introduced dust.
  • the nozzle surface 17 is approximately adapted to the layout of the opening flap 11; know accordingly a strongly rounded tip, with which in the course of the closing pivoting movement of the filter cartridge 6 in the direction of the base unit 2, the opening flap 11 is displaced into its open position.
  • the nozzle surface 17 forms the - viewed in the longitudinal extension of the nozzle - most freely projecting part of the nozzle 14th
  • the seal between the edge edge opening and the circumferential Stutzenwandung is achieved by conditioning the sealing lip 12.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

The invention relates to an arrangement of a filter bag (7) in an electric vacuum cleaner (1) which is provided with a nozzle (14) that protrudes into the filter bag (7). The filter bag (7) comprises a flap (11) which swivels into the interior of the filter bag through the protruding nozzle (14). In order to further improve an arrangement of said type particularly regarding the cooperation between the nozzle and the flap of the filter bag, the basic contour of the nozzle (14) is adapted to the size of the swiveling axis (y) of the flap (11) in the area of the nozzle (14) that cooperates with the flap (11).

Description

Die Erfindung betrifft eine Anordnung eines Filterbeutels in einem Elektrostaubsauger nach den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to an arrangement of a filter bag in an electric vacuum cleaner according to the features of the preamble of claim 1.

Bei Elektrostaubsaugern, insbesondere für den Haushalt bestimmten Elektrostaubsaugern, ist es bekannt, den Eintrag der im Zuge der Saugbearbeitung eines Teppichbodens od. dgl. über eine Saugleitung transportierten, schmutzbeladenen Luft in den Filterbeutel mittels eines in den Filterbeutel einragenden Stutzens zu schaffen, welch letzterer einen endseitigen Abschnitt der Saugleitung bildet. Dieser Stutzen durchsetzt in der Regel den Filterbeutel im Bereich einer Halteplatte od. dgl., an welcher der die Filtereigenschaften aufweisende Beutel aus einem Vlies oder einem Papierwerkstoff befestigt ist. Hierbei ist es weiter bekannt, die zu durchsetzende Öffnung mit einer Dichtung zu versehen, welche mit dem eintretenden Stutzen zusammenwirkt, so dass während des Betriebs keine Schmutzteilchen zwischen Filterbeutelöffnung und Stutzen austreten können. Um nach einem Entfernen des Stutzens aus dem Filterbeutel - so beispielsweise zum Zwecke des Filterbeutelwechsels - einen automatischen Verschluss der Filterbeutelöffnung anzubieten, ist es weiter bekannt diesen mit einer Klappe zu versehen. Bei einer bevorzugten Ausgestaltung der Öffnung im Bereich einer Halteplatte ist diese Klappe aus dem gleichen Material wie die Halteplatte gefertigt und ist im Bereich der Öffnung anscharniert, derart, dass der in den Filterbeutel einragende Stutzen des Staubsaugers die Klappe in Richtung auf das Filterbeutelinnere abschwenkt. Der gewünschte automatische Verschluss kann durch eine rückwärtig gegen die Klappe, sich im Zuge der Öffnungsklappbewegung spannende Feder erreicht sein.In electric vacuum cleaners, especially for the household certain electric vacuum cleaners, it is known, the entry od in the course of suction processing of a carpet. Like. Transported via a suction line, dirt-laden air into the filter bag to create by means of a projecting into the filter bag nozzle, which latter one End section of the suction line forms. This nozzle usually passes through the filter bag in the region of a holding plate or the like, to which the bag having the filter properties is fastened from a nonwoven or a paper material. It is further known to provide the opening to be penetrated with a seal which cooperates with the incoming nozzle, so that during operation no dirt particles between filter bag opening and nozzle can escape. In order to offer an automatic closure of the filter bag opening after removal of the nozzle from the filter bag, for example for the purpose of changing the filter bag, it is further known to provide it with a flap. In a preferred embodiment of the opening in the region of a holding plate, this flap is made of the same material as the holding plate and is hinged in the region of the opening, such that the protruding into the filter bag nozzle of the vacuum cleaner pivots the flap in the direction of the filter bag interior. The desired automatic closure can be achieved by a back against the flap, in the course of the opening folding movement exciting spring.

Die DE 9016939 U1 offenbart einen Filterbeutel mit einer Halteklappe, die eine geradlinige Scharnierachse aufweist und in welche ein Stutzen des Staubsaugers mit einer runden Kontur hineinragt. Es ergeben sich nachteilige Wirkungen im Hinblick auf die Öffnungsbewegung der Öffnungsklappe, aber auch im Hinblick auf eine gewünschte Dichtigkeit.The DE 9016939 U1 discloses a filter bag with a retaining flap having a rectilinear hinge axis and into which a neck of the vacuum cleaner protruding with a round contour. There are adverse effects with regard to the opening movement of the opening flap, but also with regard to a desired tightness.

Aus der DE 93 16 668 U1 ist es bekannt, bei einem Staubfilterbeutel eine elastische Dichtungsscheibe mit einem mittigen Schlitz vorzusehen. Diese schmiegt sich beim Einstecken des Stutzens umfangsmäßig an diesen an.From the DE 93 16 668 U1 It is known to provide an elastic sealing washer with a central slot in a dust filter bag. This nestles when inserting the nozzle circumferentially on this.

Ausgehend von dem genannten Stand der Technik beschäftigt sich die Erfindung mit der Aufgabe, eine Anordnung der genannten Art insbesondere hinsichtlich der Zusammenwirkung von Stutzen und Filterbeutelklappe weiter zu verbessern.Based on the cited prior art, the invention has the object to further improve an arrangement of the type mentioned, in particular with regard to the interaction of the nozzle and the filter bag flap.

Diese Aufgabe ist beim Gegenstand des Anspruches 1 gelöst, wobei darauf abgestellt ist, dass der Stutzen in seinem mit der aus dem Halteplattenmaterial gefertigten Öffnungsklappe zusammenwirkenden Bereich in seiner Grundrisskontur an die Erstreckung der Schwenkachse der Öffnungsklappe angepasst ist. Zur Folge dieser Ausgestaltung ist eine verbesserte Zusammenwirkung von staubsaugerseitigem Stutzen und filterbeutelseitiger Öffnungsklappe erreicht, so insbesondere hinsichtlich der Öffnungsbewegung beim Eintreten des Stutzens in den Filterbeutel. Dadurch bedingt, dass der der Öffnungsklappe zugewandte Bereich in der Grundrisskontur an die Erstreckung der Schwenkachse der Klappe angepasst ist, wirkt die über den Stutzen auf die Klappe einwirkende Kraft über einen sich entsprechend der Schwenkachse erstreckenden Bereich. So ist bei einer üblichen Anbindung der Öffnungsklappe an einer geradlinig verlaufenden Scharnierachse der Grundrissabschnitt des zugewandten Stutzenbereichs gleichfalls geradlinig, so weiter bevorzugt parallel zu der Schwenkachse ausgerichtet. Mittels dieser geradlinig verlaufenden Randkante des Stutzens erfolgt die Krafteinleitung auf die Öffnungsklappe zumindest linienförmig, im Gegensatz zur punktuellen Einwirkung bei einem Stutzen mit einem an einer Kreisform angelehnten, der Klappe zugewandten Bereich.This object is achieved in the subject matter of claim 1, wherein it is pointed out that the nozzle is adapted in its cooperating with the opening flap made of the holding plate material cooperating region in its outline contour to the extension of the pivot axis of the opening flap. As a result of this embodiment, an improved interaction of the vacuum cleaner-side nozzle and filter bag-side opening flap is achieved, in particular with regard to the opening movement when the nozzle enters the filter bag. Due to the fact that the region of the opening flap facing the opening contour is adapted to the extension of the pivot axis of the flap, the force acting on the flap via the connecting piece acts via a region extending in accordance with the pivot axis. Thus, in the case of a customary connection of the opening flap to a rectilinearly extending hinge axis, the ground plan section of the facing connection area is likewise rectilinear, so further preferably aligned parallel to the pivot axis. By means of this rectilinear edge of the neck, the force is applied to the opening flap at least linear, in contrast to the punctual action in a nozzle with a leaning on a circular shape, the flap facing area.

Eine weitere Verbesserung der Zusammenwirkung von staubsaugerseitigem Stutzen und filterbeutelseitiger Öffnungsklappe wird dadurch erreicht, dass die Öffnungsklappe flächig an der zugeordneten Stutzenfläche anliegt. Dem zufolge geht die linienartige Beaufschlagung der der Klappe zugewandten Stutzen-Randkante im Zuge des Einführens des Stutzens in den Filterbeutel und damit einhergehender Verschwenkung der Öffnungsklappe in die Offenstellung in eine bis zur Erlangung der Öffnungsstellung stetig größer werdende Flächenbeaufschlagung über. Ein hygienischer Vorteil ist dadurch erreicht, dass die Stutzenfläche in ihrer freien Erstreckung an die freie Erstreckung der Klappe angepasst ist. So deckt die der Klappe zugewandte Stutzenfläche die Öffnungsklappe in der Betriebsstellung bevorzugt ganzflächig ab, was weiter dadurch erreicht ist, dass die Klappe parallel zu der zugeordneten Stutzenfläche verläuft. Zur Folge dieser Ausgestaltung ist die beim Handtieren mit dem Filterbeutel nach außen hin sichtbare Fläche der Öffnungsklappe im Betrieb vor einer Anschmutzung durch den in dem Filterbeutel aufgewirbelten Staub geschützt. Die Anlage der Öffnungsklappe an die zugeordnete Stutzenfläche ist durch ein die selbsttätige Rückstellungsbewegung der Öffnungsklappe in die Verschlussstellung hervorrufendes Federelement wirksam unterstützt. Das Federelement kann hierbei beispielsweise in Form einer Blattfeder oder dergleichen ausgeformt sein, welches einerends unterseitig der die Öffnung aufweisenden Halteplatte im benachbarten Bereich zur Öffnung angebunden ist und anderenends rückwärtig auf die Öffnungsklappe einwirkt.A further improvement of the interaction of the vacuum cleaner side nozzle and filter bag side opening flap is achieved in that the opening flap rests flat against the associated nozzle surface. Accordingly, the line-like action of the flap-facing nozzle edge in the course of insertion of the nozzle into the filter bag and concomitant pivoting of the opening flap in the open position in a steadily increasing to the acquisition of the open position surface engagement. A hygienic advantage is achieved in that the nozzle surface is adapted in its free extension to the free extent of the flap. Thus, the flap surface facing the flap surface preferably covers the opening flap in the operating position over the entire surface, which is further achieved in that the flap extends parallel to the associated nozzle surface. As a result of this embodiment, the visible during handling with the filter bag to the outside surface of the opening flap is protected during operation against contamination by the dust in the filter bag. The installation of the opening flap to the associated nozzle surface is effectively supported by a spring element which causes the automatic return movement of the opening flap into the closing position. The spring element can in this case be formed, for example, in the form of a leaf spring or the like, which is connected to the opening at one end of the underside of the holding plate having the opening in the adjacent area and at the other end acts on the rear opening flap.

Zum Stand der Technik ist auch auf die DE 1989957A1 zu verweisen. Die hieraus bekannten Stutzen, in welche erst der Saugstutzen eines Staubsaugers einzuführen sind, sind hinsichtlich der Zusammenwirkung mit einem Filterbeutel, insbesondere einem solchen, der eine Öffnungsklappe aufweist, noch verbesserungsbedürftig.The state of the art is also on the DE 1989957A1 to refer. The known therefrom, in which only the suction of a vacuum cleaner are to be introduced, with respect to the interaction with a filter bag, in particular one which has an opening flap, still in need of improvement.

Der Saügstützen weist hierfür eine dreiseitige Kontur in Form einer gekrümmten Linie auf, wobei über die Erstreckung der Kontur unterschiedliche Radien vorgesehen sind, welche Kontur die beiden Enden der geradlinigen Kontur verbindet und die geradlinige Kontur eine vierte Seite bildet.The Saügstützen has for this purpose a three-sided contour in the form of a curved line, wherein over the extent of the contour different radii are provided, which contour connects the two ends of the rectilinear contour and the rectilinear contour forms a fourth page.

Bevorzugt wird die vierte, die geradlinige Kontur aufweisende Seite einer Öffnungsklappen-Schwenkachse des Filterbeutels zugeordnet, welche Öffnungsklappe die durch den Staubsaugerstutzen zu durchsetzende Filterbeutelöffnung vor bzw. nach Eintreten des Stutzens verschließt. Durch die Ausbildung der geradlinigen Kontur ist eine verbesserte Zusammenwirkung mit der Öffnungsklappe erreicht, so insbesondere eine verbesserte Krafteinleitung zum Abschwenken der Öffnungsklappe in die Öffnungsstellung.The fourth, the rectilinear contour side is preferably associated with an opening flap pivot axis of the filter bag, which opening flap closes the filter bag opening to be passed through the vacuum cleaner neck before or after entry of the nozzle. Due to the design of the rectilinear contour, an improved interaction with the opening flap is achieved, in particular an improved introduction of force for swiveling the opening flap into the open position.

Durch diese gewählte Grundrisskonfiguration ist eine verbesserte Zusammenwirkung mit der Öffnungsklappe des Filterbeutels bei guter Dichtwirkung zwischen Stutzen und Filterbeutel bzw. Filterbeutelhalteplatte im Bereich der gekrümmten Kontur erreicht. Als besonders vorteilhaft erweist sich hierbei eine Ausgestaltung, bei welcher die Stutzenwandung mit der geradlinigen Kontur den am weitesten frei auskragenden Teil des Stutzens bildet. Entsprechend erstreckt sich der Stutzen in Richtung seiner Körperachse betrachtet im Bereich der geradlinigen Kontur über den Bereich der gekrümmten Kontur hinaus, so dass bei einem Einführen des Stutzens in den Filterbeutel der die geradlinige Kontur aufweisende Teil des Stutzens voreilend eintaucht, hierbei eine bevorzugt vorgesehene Öffnungsklappe aufschwenkt und hiermit den Weg bereitet für das gänzliche Eintreten des Stutzens in den Filterbeutel.This selected floor plan configuration achieves an improved interaction with the opening flap of the filter bag with a good sealing effect between the connection piece and filter bag or filter bag holding plate in the area of the curved contour. Particularly advantageous here is an embodiment in which the Stutzenwandung with the rectilinear contour forms the most freely projecting part of the nozzle. Accordingly, viewed in the direction of its body axis, the neck extends beyond the region of the curved contour in the region of the rectilinear contour, so that when the neck is inserted into the filter bag the portion of the neck having the rectilinear contour dips prematurely, in this case one preferred provided opening flap swings open and thus paves the way for the complete entry of the nozzle into the filter bag.

Nachstehend ist die Erfindung anhand der beigefügten Zeichnung, welche lediglich ein Ausführungsbeispiel darstellt, näher erläutert. Es zeigt:

Fig. 1
in perspektivischer Darstellung einen Elektrostaubsauger in Form eines handgeführte Stielstaubsaugers;
Fig. 2
in perspektivischer Einzeldarstellung ein dem Staubsauger zuzuordnender Filterbeutel;
Fig. 3
eine Ansicht gegen eine Halteplatte des Filterbeutels, welcher in einer Filterkassette des Staubsaugers eingelegt ist;
Fig. 4
eine Ansicht gegen die mit der in Figur 3 dargestellten Filterkassette und Halteplatte des Filterbeutels korrespondierende Gehäuseseite des Staubsaugers mit einem Stutzen;
Fig. 5
den Schnitt gemäß der Linie V - V in Figur 4, jedoch in einer Betriebsstellung des Staubsaugers;
Fig. 6
die Ansicht gemäß dem Pfeil VI in Figur 5;
Fig. 7
die Ansicht gemäß dem Pfeil VII in Figur 5;
Fig. 8
die Stellung gemäß Figur 7 in perspektivischer Darstellung.
The invention is explained in more detail below with reference to the attached drawing, which represents only one exemplary embodiment. It shows:
Fig. 1
in perspective view of an electric vacuum cleaner in the form of a hand-held Stielstaubsaugers;
Fig. 2
in perspective detail view of a vacuum cleaner to be assigned filter bag;
Fig. 3
a view against a retaining plate of the filter bag, which is inserted in a filter cartridge of the vacuum cleaner;
Fig. 4
a view against those with the in FIG. 3 illustrated filter cartridge and retaining plate of the filter bag corresponding housing side of the vacuum cleaner with a nozzle;
Fig. 5
the section along the line V - V in FIG. 4 but in an operating position of the vacuum cleaner;
Fig. 6
the view according to the arrow VI in FIG. 5 ;
Fig. 7
the view according to the arrow VII in FIG. 5 ;
Fig. 8
the position according to FIG. 7 in perspective view.

Dargestellt und beschrieben ist zunächst mit Bezug zur Figur 1 ein Elektrostaubsauger 1 in Form eines hand geführten Stielgerätes, mit einem Grundgerät 2, welches eine nicht dargestellte Saug-/Gebläseeinheit aufweist.Illustrated and described first with reference to FIG. 1 an electric vacuum cleaner 1 in the form of a hand-held handle unit, with a base unit 2, which has a suction / blower unit, not shown.

An dem Grundgerät 2 ist ein Führungsstiel 3 verankert, welcher im Bereich seines freien Endes in einen Handgriff 4 übergeht.On the base unit 2, a guide stem 3 is anchored, which merges in the region of its free end in a handle 4.

An das Grundgerät 2 ist ein Vorsatzgerät 5 strömungsmäßig angeschlossen. Dieses Vorsatzgerät 5 kann in einfachster Weise eine Saugdüse sein. Dargestellt ist ein Vorsatzgerät 5 in Art einer Elektroteppichbürste.To the base unit 2, a header 5 is connected in terms of flow. This attachment 5 can be a suction nozzle in the simplest way. Shown is a header 5 in the manner of an electric carpet brush.

An dem Grundgerät 2 ist weiter eine Filterkassette 6 gehaltert. Diese ist um eine Achse x von dem Grundgerät 2 abschwenkbar, zur Freilegung des in der Filterkassette 6 gehalterten Filterbeutels 7.On the base unit 2, a filter cartridge 6 is further supported. This can be pivoted away about the axis x of the basic unit 2, to expose the content in the filter cartridge 6 filter bag 7th

Der Filterbeutel 7 ist in Figur 2 in einer Einzeldarstellung gezeigt. Dieser besitzt eine starre Halteplatte 8, an welche ein aus einem Papier - oder Vliesmaterial bestehender, luftdurchlässiger Beutel 9 befestigt ist.The filter bag 7 is in FIG. 2 shown in a single presentation. The latter has a rigid holding plate 8, to which an air-permeable bag 9 consisting of a paper or fleece material is fastened.

Die Halteplatte 8 ist mit einer Öffnung 10 versehen, durch welche die zu filtrierende Luft in den Filterbeutel 7 geführt wird.The holding plate 8 is provided with an opening 10 through which the air to be filtered is fed into the filter bag 7.

Die Halteplattenöffnung 10 ist mittels einer Öffnungsklappe 11 verschließbar. Diese ist durch einen Freischnitt aus dem Halteplattenmaterial gefertigt und im Bereich einer geradlinigen Randkante an der Halteplatte 8 anscharniert. Diese geradlinige Randkante verläuft hierbei parallel zu den Schmalrandkanten der insgesamt im Grundriss langgestreckt rechteckig ausgeformten Halteplatte 8 und bildet eine Schwenkachse y für die Öffnungsklappe 11 aus.The holding plate opening 10 can be closed by means of an opening flap 11. This is made by a free cut from the holding plate material and hinged in the region of a rectilinear edge on the holding plate 8. This rectilinear edge runs in this case parallel to the narrow edge edges of the overall rectangular in plan view rectangular shaped holding plate 8 and forms a pivot axis y for the opening flap 11.

Die Öffnungsklappe 11 ist im Grundriss ausgehend von der geradlinigen Randkante mit einer gekrümmten Kontur versehen, wobei ausgehend von der geradlinigen Randkante zunächst sich rechtwinklig hierzu verlaufende Randkanten erstrecken, deren der geradlinigen Randkanten abgewandten Enden durch eine Halbkreiskontur miteinander verbunden sind.The opening flap 11 is provided in the ground plan starting from the rectilinear edge with a curved contour, starting from the rectilinear edge initially extending perpendicular thereto edge edges extend whose opposite ends of the rectilinear edges are connected by a semicircle contour.

Die durch die Klappe 11 zu verschließende Öffnung 10 ist in ihrer Grundrisskontur angepasst an die Klappe 11, jedoch gegenüber dieser grundrissvergrößert. Der hierdurch zwischen Öffnungsrandkante und Klappenaußenrand verbleibende Spalt ist durch eine Dichtlippe 12 geschlossen.The opening 10 to be closed by the flap 11 is in its outline contour adapted to the flap 11, but with respect to this grundrissvergrößert. The gap thus remaining between the edge of the opening edge and the flap outer edge is closed by a sealing lip 12.

Die Öffnungsklappe 11 ist so an die Halteplatte 8 anscharniert, dass die Öffnungsklappe 11 nach innen in das Beutelinnere hin abschwenken kann.The opening flap 11 is hinged to the holding plate 8 so that the opening flap 11 can pivot inwardly towards the inside of the bag.

Beutelinnenseitig ist an der Halteplatte 8 ein Federelement 13 befestigt. Dieses ist in dem dargestellten Ausführungsbeispiel in Form einer Blattfeder ausgebildet, die mit ihrem der Befestigungsseite abgewandten freien Endbereich gegen die Unterseite der Öffnungsklappe 11 tritt. Entsprechend dient das Federelement 13 zur Abstützung der Öffnungsklappe 11 in der Verschlussstellung. Diese Verschlussstellung ist durch Treten der Öffnungsklappe 11 unterseitig gegen den Randbereich der Dichtlippe 12 anschlagbegrenzt.On the inside of the bag, a spring element 13 is fastened to the holding plate 8. This is formed in the illustrated embodiment in the form of a leaf spring, which occurs with its side facing away from the fastening side free end region against the underside of the opening flap 11. Accordingly, the spring element 13 serves to support the opening flap 11 in the closed position. This closure position is limited stop by stepping the opening flap 11 on the underside against the edge region of the sealing lip 12.

Im Zuge der Öffnungsschwenkbewegung der Klappe 11 wird das Federelement 13 gespannt. Nach Aufhebung einer die Öffnungsklappe 11 beaufschlagenden Kraft bewirkt das Federelement 13 die selbsttätige Rückstellung der Klappe 11 in die Verschlussstellung.In the course of the opening pivoting movement of the flap 11, the spring element 13 is tensioned. After cancellation of an opening flap 11 acting force causes the spring element 13, the automatic return of the flap 11 in the closed position.

Grundgeräteseitig ist zur Zusammenwirkung mit dem Filterbeutel 7 ein Stutzen 14 vorgesehen. Dieser ist in Verlängerung einer nicht dargestellten Saugleitung, welche fußseitig in dem Vorsatzgerät 5 mündet, ausgebildet und dient dem Transport der schmutzbelasteten Saugluft in den Filterbeutel 7.Basic unit side, a nozzle 14 is provided for cooperation with the filter bag 7. This is in extension of a suction line, not shown, which foot ends in the attachment 5, formed and serves to transport the dirt-laden suction air into the filter bag. 7

Dieser Stutzen 14 ist so ausgelegt, dass er in der Schließstellung der den Filterbeutel 7 halterten Filterkassette 6 durch die Halteplattenöffnung 10 in den Beutel 9 einragt und hierbei die Öffnungsklappe 11 in der Offenstellung hält.This nozzle 14 is designed so that it protrudes in the closed position of the filter bag 7 held filter cartridge 6 through the holding plate opening 10 in the bag 9 and in this case holds the opening flap 11 in the open position.

Im Grundriss zeigt der Stutzen 14 eine geradlinige, parallel zur Schwenkachse x der Filterkassette 6 sich erstreckende Seite 15, deren Kantenlänge im Grundriss etwa der geradlinigen Kantenlänge der Halteplattenöffnung 10 im Bereich der Klappenschwenkachse y entspricht und demnach größer gewählt ist als die entsprechende Kantenlänge der Öffnungsklappe 11 im Schwenkachsenbereich.In plan view of the nozzle 14 shows a rectilinear, parallel to the pivot axis x of the filter cartridge 6 extending side 15 whose edge length in plan corresponds approximately to the straight edge length of the holding plate opening 10 in the region of the flap pivot axis y and is therefore chosen larger than the corresponding edge length of the opening flap eleventh in the swivel axis area.

Die beiden Enden der im Grundriss geradlinigen Randkante der Stutzens 14 sind verbunden über eine gekrümmte Randkante 16. Der Stutzeninnenquerschnitt ist angepasst an die Außenkontur desselben.The two ends of the rectilinear in the ground plan edge of the nozzle 14 are connected via a curved peripheral edge 16. The nozzle inner cross-section is adapted to the outer contour of the same.

Die in Betriebsstellung in den Filterbeutel 7 einragende und die Öffnungsklappe 11 in der Öffnungsstellung abstützende Fläche 17 des Stutzens 14 ist in ihrer freien Erstreckung an die freie Erstreckung der Öffnungsklappe 11 angepasst. Wie insbesondere aus der Darstellung in Figur 7 zu erkennen, überragt die Stutzenfläche 17 konturangepasst die Öffnungsklappe 11, dies bei vollflächiger Anlage der Öffnungsklappe 11 an der Stutzenfläche 17. Diese Anlagestellung ist durch die rückwärtige Beaufschlagung der Öffnungsklappe 11 durch das Federelement 13 noch unterstützt. Entsprechend ist die der Außenseite des Filterbeutels 7 zugewandte Oberfläche der Öffnungsklappe 11 in Betriebsstellung vor einer Verschmutzung durch den eingebrachten Staub geschützt.The in the operating position in the filter bag 7 einragende and the opening flap 11 in the open position supporting surface 17 of the nozzle 14 is adapted in its free extension to the free extent of the opening flap 11. As in particular from the illustration in FIG. 7 to recognize the nozzle surface 17 contour-matched the opening flap 11, this at full contact of the opening flap 11 on the nozzle surface 17. This contact position is supported by the rearward loading of the opening flap 11 by the spring element 13 yet. Accordingly, the outside of the filter bag 7 facing surface of the opening flap 11 is protected in the operating position from contamination by the introduced dust.

Die Stutzenfläche 17 ist annähernd angepasst an die Grundrissgestaltung der Öffnungsklappe 11; weißt entsprechend eine stark verrundete Spitze auf, mit welcher im Zuge der Schließschwenkbewegung der Filterkassette 6 in Richtung auf das Grundgerät 2 die Öffnungsklappe 11 in ihre Öffnungsstellung verlagert wird.The nozzle surface 17 is approximately adapted to the layout of the opening flap 11; know accordingly a strongly rounded tip, with which in the course of the closing pivoting movement of the filter cartridge 6 in the direction of the base unit 2, the opening flap 11 is displaced into its open position.

Die Stutzenfläche 17 bildet den - in Stutzenlängserstreckung betrachtet - am weitesten frei auskragenden Teil des Stutzen 14.The nozzle surface 17 forms the - viewed in the longitudinal extension of the nozzle - most freely projecting part of the nozzle 14th

Die Abdichtung zwischen der Öffnungsrandkante und der umlaufenden Stutzenwandung ist durch Anlage der Dichtlippe 12 erreicht.The seal between the edge edge opening and the circumferential Stutzenwandung is achieved by conditioning the sealing lip 12.

Claims (4)

  1. Filter bag (7) assembly that has a stiff mounting plate (8), in an electric vacuum cleaner (1), the vacuum cleaner (1) having a nozzle (14) that protrudes into the filter bag (7), and the filter bag (7) having a flap (11) for an opening in the mounting plate (8), the flap being pivoted into the interior of the filter bag by the action of the inwardly protruding nozzle (14), characterized in that the nozzle (14) is adapted as to its external cross-sectional shape, in the region of the nozzle that interacts with the opening flap (11) which is made from the material of the mounting plate, to the direction in which the axis (y) of pivoting of the opening flap (11) extends.
  2. Filter bag assembly according to Claim 1, characterized in that the opening flap (11) engages in a face-to-face manner against the associated surface (17) of the nozzle.
  3. Filter bag assembly according to Claim 2, characterized in that the free direction of extent of the surface (17) of the nozzle is adapted to the free direction of extent of the flap (11).
  4. Filter bag assembly according to either of Claims 2 and 3, characterized in that the flap (11) runs parallel to the associated surface (17) of the nozzle.
EP06806792A 2005-09-23 2006-09-21 Arrangement of a filter bag in an electric vacuum cleaner, and electric vacuum cleaner comprising a nozzle Not-in-force EP1933685B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11173065.1A EP2380477B1 (en) 2005-09-23 2006-09-21 Electric vacuum cleaner with a nozzle cooperating with a dust bag

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510045548 DE102005045548A1 (en) 2005-09-23 2005-09-23 Arrangement of a filter bag in an electric vacuum cleaner and electric vacuum cleaner with a nozzle
PCT/EP2006/066586 WO2007033979A1 (en) 2005-09-23 2006-09-21 Arrangement of a filter bag in an electric vacuum cleaner, and electric vacuum cleaner comprising a nozzle

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP11173065.1A Division EP2380477B1 (en) 2005-09-23 2006-09-21 Electric vacuum cleaner with a nozzle cooperating with a dust bag
EP11173065.1 Division-Into 2011-07-07

Publications (2)

Publication Number Publication Date
EP1933685A1 EP1933685A1 (en) 2008-06-25
EP1933685B1 true EP1933685B1 (en) 2012-05-16

Family

ID=37496829

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06806792A Not-in-force EP1933685B1 (en) 2005-09-23 2006-09-21 Arrangement of a filter bag in an electric vacuum cleaner, and electric vacuum cleaner comprising a nozzle
EP11173065.1A Not-in-force EP2380477B1 (en) 2005-09-23 2006-09-21 Electric vacuum cleaner with a nozzle cooperating with a dust bag

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11173065.1A Not-in-force EP2380477B1 (en) 2005-09-23 2006-09-21 Electric vacuum cleaner with a nozzle cooperating with a dust bag

Country Status (6)

Country Link
EP (2) EP1933685B1 (en)
CN (1) CN101272720A (en)
DE (1) DE102005045548A1 (en)
ES (1) ES2383821T3 (en)
RU (1) RU2008115924A (en)
WO (1) WO2007033979A1 (en)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
USD840615S1 (en) 2016-10-14 2019-02-12 Tti (Macao Commercial Offshore) Limited Handheld vacuum cleaner
USD844265S1 (en) 2016-10-14 2019-03-26 Tti (Macao Commercial Offshore) Limited Handheld vacuum cleaner
US10531772B2 (en) 2016-04-15 2020-01-14 Tti (Macao Commercial Offshore) Limited Handheld vacuum cleaner

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US8092562B2 (en) 2006-04-25 2012-01-10 Eurofilters Holding N.V. Holding plate for a vacuum cleaner filter bag
DE502006001748D1 (en) * 2006-04-25 2008-11-20 Eurofilters Holding Nv Holding plate for a vacuum cleaner filter bag
DE102007040417B4 (en) 2007-08-27 2022-11-03 Vorwerk & Co. Interholding Gmbh Vacuum cleaner filter bag with a retaining plate having a closure flap covering an opening
DE102008046200B4 (en) * 2007-09-28 2016-09-15 Vorwerk & Co. Interholding Gmbh Filter bag for a vacuum cleaner
GB2468880B (en) * 2009-03-24 2012-08-22 Numatic Int Ltd Vacuum cleaner and filter bag
DE102013101991A1 (en) * 2013-02-28 2014-08-28 Wolf Pvg Gmbh & Co. Kg Filter bag for a vacuum cleaner
AU201812645S (en) 2017-12-05 2018-07-31 Tti Macao Commercial Offshore Ltd Housing for a vacuum filter
US11607637B2 (en) 2018-08-31 2023-03-21 Milwaukee Electric Tool Corporation Power tool including an air filter and debris collector
EP4212080B1 (en) 2022-01-14 2025-03-05 Vorwerk & Co. Interholding GmbH Filter bag for a vacuum cleaner

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DE9016939U1 (en) 1990-12-17 1991-04-04 Wolfgang B. Schroeter GmbH, 4973 Vlotho Filter device for a vacuum cleaner
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DE10209718A1 (en) * 2002-03-06 2003-09-25 Edison Fatehpour Spring element for a flap of a filter bag
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10531772B2 (en) 2016-04-15 2020-01-14 Tti (Macao Commercial Offshore) Limited Handheld vacuum cleaner
USD840615S1 (en) 2016-10-14 2019-02-12 Tti (Macao Commercial Offshore) Limited Handheld vacuum cleaner
USD844265S1 (en) 2016-10-14 2019-03-26 Tti (Macao Commercial Offshore) Limited Handheld vacuum cleaner

Also Published As

Publication number Publication date
CN101272720A (en) 2008-09-24
WO2007033979A1 (en) 2007-03-29
DE102005045548A1 (en) 2007-03-29
EP2380477B1 (en) 2014-03-05
EP2380477A1 (en) 2011-10-26
RU2008115924A (en) 2009-10-27
EP1933685A1 (en) 2008-06-25
ES2383821T3 (en) 2012-06-26

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